cognscns, cognscent-, present participle of cognscere, to know
too many missing "o" to be typos...
I think that it has to be cognoscere, and so on...
And, Faldage, it is not feminine plural. The modern form " conoscente" is (used as a) noun, and has equal masculine and feminine form. The literal meaning is " the one who knows" , but now it is used as " an acquaintance"